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A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
Title
A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
Author
Bigdelou, Pedram
Date Created
2020
Subjects--Topical
Fluid mechanics, Physics
Description
Shock-driven multi-material flows occur in several applications including shock wave lithotripsy, underwater explosions, droplet combustion, propeller cavitation and ejection of material from surfaces subject to blast loading. Such flows are highl...
Computational investigations on the aerodynamics of a generic car model in proximity to a side wall
Title
Computational investigations on the aerodynamics of a generic car model in proximity to a side wall
Author
Mallapragada, Srivatsa
Date Created
2017
Subjects--Topical
Mechanical engineering, Fluid mechanics, Physics
Description
A moving road vehicle is subjected to many fluid interferences caused by a number of external agents apart from the vehicle itself. Vehicles moving in proximity to a side wall is an interesting aspect that has been little investigated in the liter...
Discrete Element Simulations of Powder Spreading in Additive Manufacturing
Title
Discrete Element Simulations of Powder Spreading in Additive Manufacturing
Author
Amrapurkar, Parth
Date Created
2020
Subjects--Topical
Mechanical engineering, Engineering, Physics
Description
Powder spreading plays a critical role in the quality of parts produced with selective laser sintering (SLS). Some of the important parameters that influence the quality of the powder bed are the powder particle size and distribution, blade speed,...
Evaluation of curved surfaces with x-ray reflectometry
Title
Evaluation of curved surfaces with x-ray reflectometry
Author
Cole, Jacob
Date Created
2022
Subjects--Topical
Mechanical engineering, Physics
Description
This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...
Freeform Optical Surface Form Metrology with Serial Data Acquisition
Title
Freeform Optical Surface Form Metrology with Serial Data Acquisition
Author
Noste, Todd
Date Created
2021
Subjects--Topical
Mechanical engineering, Optics, Physics
Description
Freeform optics, or optics with no axis of rotational invariance, provide optical designers more degrees of freedom, flexibility, and opportunity for innovation increasing optical performance and system integration while decreasing the form factor...
Instrumentation, techniques, and evaluation of ePTV for particle manipulation studies using micro-scale oscillators
Title
Instrumentation, techniques, and evaluation of ePTV for particle manipulation studies using micro-scale oscillators
Author
Kafashi, Sajad
Date Created
2017
Subjects--Topical
Mechanical engineering, Electrical engineering, Physics
Description
A need for dynamic micro-particle manipulation is the ability to position fragile particles without damaging them, for instance biological particles like blood cells, stem cells, neurons, pancreatic β cells, DNA, chromosomes, for repeated measurem...